n. 带菌者；向量（vector的复数）
n a variable quantity that can be resolved into components
n a straight line segment whose length is magnitude and whose orientation in space is direction
n any agent (person or animal or microorganism) that carries and transmits a disease
n (genetics) a virus or other agent that is used to deliver DNA to a cell
- 原型: vector
英汉双解字典由 ECDICT 提供